JPS4882770A - - Google Patents
Info
- Publication number
- JPS4882770A JPS4882770A JP47053741A JP5374172A JPS4882770A JP S4882770 A JPS4882770 A JP S4882770A JP 47053741 A JP47053741 A JP 47053741A JP 5374172 A JP5374172 A JP 5374172A JP S4882770 A JPS4882770 A JP S4882770A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
- H01J29/707—Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/503—Three or more guns, the axes of which lay in a common plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/51—Arrangements for controlling convergence of a plurality of beams by means of electric field only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/58—Electron beam control inside the vessel
- H01J2229/581—Electron beam control inside the vessel by magnetic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/58—Electron beam control inside the vessel
- H01J2229/583—Electron beam control inside the vessel at the source
- H01J2229/5835—Electron beam control inside the vessel at the source cooperating with the electron gun
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21775872A | 1972-01-14 | 1972-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4882770A true JPS4882770A (hu) | 1973-11-05 |
JPS5232714B2 JPS5232714B2 (hu) | 1977-08-23 |
Family
ID=22812393
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47053741A Expired JPS5232714B2 (hu) | 1972-01-14 | 1972-05-30 | |
JP51030785A Granted JPS51118958A (en) | 1972-01-14 | 1976-03-18 | Crt |
JP2658977A Granted JPS52100971A (en) | 1972-01-14 | 1977-03-09 | Crt |
JP2659077A Granted JPS52132670A (en) | 1972-01-14 | 1977-03-09 | Crt |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51030785A Granted JPS51118958A (en) | 1972-01-14 | 1976-03-18 | Crt |
JP2658977A Granted JPS52100971A (en) | 1972-01-14 | 1977-03-09 | Crt |
JP2659077A Granted JPS52132670A (en) | 1972-01-14 | 1977-03-09 | Crt |
Country Status (19)
Country | Link |
---|---|
US (1) | US3772554A (hu) |
JP (4) | JPS5232714B2 (hu) |
KR (1) | KR780000391B1 (hu) |
AR (1) | AR196104A1 (hu) |
BE (1) | BE793992A (hu) |
BR (1) | BR7300153D0 (hu) |
CA (1) | CA969597A (hu) |
CS (1) | CS199546B2 (hu) |
DD (1) | DD103093A5 (hu) |
DE (1) | DE2223369C3 (hu) |
ES (1) | ES410383A1 (hu) |
FR (1) | FR2167898B1 (hu) |
GB (1) | GB1381018A (hu) |
IT (1) | IT973241B (hu) |
NL (1) | NL184445C (hu) |
PL (1) | PL83625B1 (hu) |
RO (1) | RO78240A (hu) |
SU (1) | SU495851A3 (hu) |
ZA (1) | ZA73216B (hu) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4891863U (hu) * | 1972-02-05 | 1973-11-05 | ||
JPS4982661U (hu) * | 1972-11-06 | 1974-07-17 | ||
JPS5017170A (hu) * | 1973-06-12 | 1975-02-22 | ||
JPS5038462A (hu) * | 1973-08-08 | 1975-04-09 | ||
JPS50103260A (hu) * | 1974-01-11 | 1975-08-15 | ||
JPS50141220A (hu) * | 1974-04-30 | 1975-11-13 | ||
JPS50159959A (hu) * | 1974-06-13 | 1975-12-24 | ||
JPS51118957A (en) * | 1975-03-03 | 1976-10-19 | Rca Corp | Crt |
JPS5212564A (en) * | 1975-07-18 | 1977-01-31 | Matsushita Electronics Corp | Cathode ray tube |
JPS5259526A (en) * | 1975-11-12 | 1977-05-17 | Hitachi Ltd | Color picture tube with deflection magnetic field control elements |
JPS5297055U (hu) * | 1976-01-19 | 1977-07-20 | ||
JPS532066A (en) * | 1976-06-28 | 1978-01-10 | Matsushita Electronics Corp | Inline type double beam electronic gun |
JPS5342672A (en) * | 1976-09-30 | 1978-04-18 | Mitsubishi Electric Corp | Color picture receiving tube device |
JPS53118972A (en) * | 1977-03-28 | 1978-10-17 | Toshiba Corp | Electron gun constituent body |
JPS53153856U (hu) * | 1977-05-09 | 1978-12-04 | ||
JPS5625444U (hu) * | 1980-07-15 | 1981-03-09 |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3892996A (en) * | 1972-01-14 | 1975-07-01 | Rca Corp | Self-converging color television display system |
NL7217179A (hu) * | 1972-12-16 | 1974-06-18 | ||
JPS5433708B2 (hu) * | 1973-08-08 | 1979-10-22 | ||
JPS5046263A (hu) * | 1973-08-29 | 1975-04-24 | ||
US3890528A (en) * | 1974-03-29 | 1975-06-17 | Gte Sylvania Inc | Common focusing electrode for plurality of beams and having same plurality of internal shields |
GB1528128A (en) * | 1974-09-19 | 1978-10-11 | Tokyo Shibaura Electric Co | Electron gun assembly |
US3984723A (en) * | 1974-10-04 | 1976-10-05 | Rca Corporation | Display system utilizing beam shape correction |
US3952224A (en) * | 1974-10-04 | 1976-04-20 | Rca Corporation | In-line electron guns having consecutive grids with aligned vertical, substantially elliptical apertures |
JPS5615102B2 (hu) * | 1974-10-14 | 1981-04-08 | ||
US3978367A (en) * | 1975-02-27 | 1976-08-31 | Westinghouse Electric Corporation | Cathode ray tube second electrode having rectangular projecting ridge |
US3987328A (en) * | 1975-08-22 | 1976-10-19 | Hitachi, Ltd. | In-line type electron gun assembly for use in multi-beam type color picture tubes |
JPS5342212U (hu) * | 1976-09-17 | 1978-04-12 | ||
US4049990A (en) * | 1976-10-08 | 1977-09-20 | Gte Sylvania Incorporated | CRT in-line gun electrode having strengthening ribs |
US4218634A (en) * | 1977-10-05 | 1980-08-19 | Tokyo Shibaura Denki Kabushiki Kaisha | Electron gun |
US4196370A (en) * | 1978-02-24 | 1980-04-01 | Rca Corporation | CRT generating three inline beams and having shunts for weakening center beam horizontal magnetic deflection and strengthening vertical deflection |
NL7802129A (nl) * | 1978-02-27 | 1979-08-29 | Philips Nv | Inrichting voor het weergeven van gekleurde beelden. |
AU4515779A (en) * | 1978-04-12 | 1979-10-18 | Rca Corp. | Electron gun |
US4318027A (en) * | 1978-04-12 | 1982-03-02 | Rca Corporation | High potential, low magnification electron gun |
US4396862A (en) * | 1978-05-01 | 1983-08-02 | Rca Corporation | Color picture tube with means for affecting magnetic deflection fields in electron gun area |
US4208610A (en) * | 1978-06-09 | 1980-06-17 | Zenith Radio Corporation | Television picture tubes having an electron gun with aperture electrode shielding means |
DE2832687C2 (de) * | 1978-07-26 | 1984-01-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektronenstrahlerzeugungssystem einer Farbbildkathodenstrahlröhre |
NL7809160A (nl) * | 1978-09-08 | 1980-03-11 | Philips Nv | Kleurenbeeldbuis. |
US4234814A (en) * | 1978-09-25 | 1980-11-18 | Rca Corporation | Electron gun with astigmatic flare-reducing beam forming region |
JPS5553853A (en) * | 1978-10-17 | 1980-04-19 | Toshiba Corp | Electron gun structure |
US4634923A (en) * | 1979-11-15 | 1987-01-06 | Rca Corporation | Color picture tube having improved electron gun |
US4350923A (en) * | 1980-03-27 | 1982-09-21 | Rca Corporation | Electron gun with balanced lens lips to reduce astigmatism |
US4318026A (en) * | 1980-04-30 | 1982-03-02 | Rca Corporation | Method of making a grid for a cathode-ray tube electron gun |
US4604548A (en) * | 1980-05-29 | 1986-08-05 | Rca Corporation | Electron gun with afterglow eliminator |
JPS5763750A (en) * | 1980-10-03 | 1982-04-17 | Hitachi Ltd | Control picture tube electron gun |
US4370592A (en) * | 1980-10-29 | 1983-01-25 | Rca Corporation | Color picture tube having an improved inline electron gun with an expanded focus lens |
US4409514A (en) * | 1981-04-29 | 1983-10-11 | Rca Corporation | Electron gun with improved beam forming region |
US4388552A (en) * | 1981-07-10 | 1983-06-14 | Rca Corporation | Color picture tube having an improved expanded focus lens type inline electron gun |
US4400649A (en) * | 1981-07-10 | 1983-08-23 | Rca Corporation | Color picture tube having an improved expanded focus lens type inline electron gun |
FR2509526B1 (fr) * | 1981-07-10 | 1986-08-29 | Rca Corp | Perfectionnements apportes aux canons electroniques en ligne a lentille focale allongee pour tube image couleur |
US4620133A (en) * | 1982-01-29 | 1986-10-28 | Rca Corporation | Color image display systems |
IT1214441B (it) * | 1981-07-10 | 1990-01-18 | Rca Corp | Sistema per la visualizzazione di immagini a colori. |
US4581560A (en) * | 1981-12-16 | 1986-04-08 | Hitachi, Ltd. | Electron gun for color picture tube |
US4514659A (en) * | 1982-03-04 | 1985-04-30 | Rca Corporation | Inline electron gun for high resolution color display tube |
US4486685A (en) * | 1982-05-14 | 1984-12-04 | Rca Corporation | Electron gun assembly with bead strap having an angulated grasping member |
JPS58181476U (ja) * | 1982-05-25 | 1983-12-03 | 元田電子工業株式会社 | 自動搬送機のバランス装置 |
US4513222A (en) * | 1983-01-27 | 1985-04-23 | Rca Corporation | Color picture tube having reconvergence slots formed in a screen grid electrode of an inline electron gun |
EP0116465B1 (en) * | 1983-02-09 | 1987-01-21 | Nec Corporation | Colour cathode ray tube |
US4520292A (en) * | 1983-05-06 | 1985-05-28 | Rca Corporation | Cathode-ray tube having an asymmetric slot formed in a screen grid electrode of an inline electron gun |
US4523123A (en) * | 1983-05-06 | 1985-06-11 | Rca Corporation | Cathode-ray tube having asymmetric slots formed in a screen grid electrode of an inline electron gun |
IT1176203B (it) * | 1983-06-27 | 1987-08-18 | Rca Corp | Tubo a raggi catodici con un cannone elettronico presentante una regione di formazione di un fascio astigmatico |
US4547697A (en) * | 1983-07-22 | 1985-10-15 | North American Philips Consumer Electronics Corp. | CRT Shunt retaining means |
US4558254A (en) * | 1984-04-30 | 1985-12-10 | Rca Corporation | Cathode-ray tube having an improved low power cathode assembly |
US4782263A (en) * | 1984-05-21 | 1988-11-01 | Rca Licensing Corporation | Inline electron gun having at least one modified cathode assembly |
US4608515A (en) * | 1985-04-30 | 1986-08-26 | Rca Corporation | Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein |
US4701678A (en) * | 1985-12-11 | 1987-10-20 | Zenith Electronics Corporation | Electron gun system with dynamic focus and dynamic convergence |
KR900008203B1 (ko) * | 1986-03-18 | 1990-11-05 | 마쯔시다덴시고오교오 가부시기가이샤 | 편향 요우크 |
US4771216A (en) * | 1987-08-13 | 1988-09-13 | Zenith Electronics Corporation | Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal |
US4883437A (en) * | 1988-06-29 | 1989-11-28 | Rca Licensing Corp. | Method for spot-knocking an electron gun mount assembly of a crt utilizing a magnetic field |
US4883438A (en) * | 1988-06-29 | 1989-11-28 | Rca Licensing Corp. | Method for spot-knocking an electron gun mount assembly of a CRT |
EP0361455B1 (en) * | 1988-09-28 | 1997-08-27 | Kabushiki Kaisha Toshiba | Color cathode ray tube apparatus |
US5038073A (en) * | 1988-12-23 | 1991-08-06 | Samsung Electron Devices Co., Ltd. | Electron gun for cathode ray tube |
US5055749A (en) * | 1989-08-11 | 1991-10-08 | Zenith Electronics Corporation | Self-convergent electron gun system |
US5036258A (en) * | 1989-08-11 | 1991-07-30 | Zenith Electronics Corporation | Color CRT system and process with dynamic quadrupole lens structure |
US5061881A (en) * | 1989-09-04 | 1991-10-29 | Matsushita Electronics Corporation | In-line electron gun |
US5043625A (en) * | 1989-11-15 | 1991-08-27 | Zenith Electronics Corporation | Spherical aberration-corrected inline electron gun |
CN1042073C (zh) * | 1992-11-02 | 1999-02-10 | 东芝株式会社 | 彩色显像管 |
JP3599765B2 (ja) * | 1993-04-20 | 2004-12-08 | 株式会社東芝 | 陰極線管装置 |
JPH0729512A (ja) * | 1993-05-14 | 1995-01-31 | Toshiba Corp | カラー受像管 |
CN1127751C (zh) * | 1994-08-25 | 2003-11-12 | 皇家菲利浦电子有限公司 | 装有电子枪的阴极射线管 |
KR100189611B1 (ko) * | 1995-07-28 | 1999-06-01 | 구자홍 | 칼라음극선관용 전자총 |
FR2764730B1 (fr) * | 1997-06-13 | 1999-09-17 | Thomson Tubes Electroniques | Canon electronique pour tube electronique multifaisceau et tube electronique multifaisceau equipe de ce canon |
EP0892421B1 (en) * | 1997-07-15 | 2003-10-01 | Hitachi, Ltd. | Color cathode ray tube |
TW392190B (en) * | 1998-05-11 | 2000-06-01 | Koninkl Philips Electronics Nv | Cathode ray tube comprising an electron gun |
KR100708630B1 (ko) * | 2000-03-14 | 2007-04-18 | 삼성에스디아이 주식회사 | 전자총과 이를 이용한 칼라 음극선관 |
CN1526153A (zh) * | 2001-06-01 | 2004-09-01 | 皇家菲利浦电子有限公司 | 显象管和显示装置 |
EP1943661B1 (en) * | 2005-09-06 | 2012-02-08 | Carl Zeiss SMT GmbH | Charged particle inspection method and charged particle system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2957106A (en) * | 1954-08-12 | 1960-10-18 | Rca Corp | Plural beam gun |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL82605C (hu) * | 1942-04-08 | |||
US2849647A (en) * | 1954-03-04 | 1958-08-26 | Philips Corp | Color television reproducing device |
US2887598A (en) * | 1956-04-16 | 1959-05-19 | Rca Corp | Plural gun cathode ray tube |
US2859378A (en) * | 1956-05-21 | 1958-11-04 | Gen Electric | Electrode system for cathode ray tubes |
NL278119A (hu) * | 1961-05-08 | |||
BE625864A (hu) * | 1961-12-07 | |||
NL151555B (nl) * | 1967-11-11 | 1976-11-15 | Philips Nv | Elektronenstraalbuis voor het weergeven van gekleurde beelden. |
US3534208A (en) * | 1968-05-24 | 1970-10-13 | Gen Electric | Cathode ray tube having three in-line guns and center beam convergence shield modifying center beam raster size |
US3651369A (en) * | 1968-11-13 | 1972-03-21 | Sony Corp | Cathode ray tube |
-
0
- BE BE793992D patent/BE793992A/xx unknown
-
1972
- 1972-01-14 US US00217758A patent/US3772554A/en not_active Expired - Lifetime
- 1972-05-12 DE DE2223369A patent/DE2223369C3/de not_active Expired
- 1972-05-23 GB GB2410772A patent/GB1381018A/en not_active Expired
- 1972-05-30 JP JP47053741A patent/JPS5232714B2/ja not_active Expired
- 1972-05-30 KR KR7200850A patent/KR780000391B1/ko active
- 1972-10-23 PL PL1972158434A patent/PL83625B1/pl unknown
- 1972-12-05 AR AR245493A patent/AR196104A1/es active
- 1972-12-13 CA CA158,780A patent/CA969597A/en not_active Expired
- 1972-12-29 IT IT33975/72A patent/IT973241B/it active
-
1973
- 1973-01-05 ES ES410383A patent/ES410383A1/es not_active Expired
- 1973-01-08 BR BR73153A patent/BR7300153D0/pt unknown
- 1973-01-10 DD DD168162A patent/DD103093A5/xx unknown
- 1973-01-10 FR FR7300738A patent/FR2167898B1/fr not_active Expired
- 1973-01-11 ZA ZA730216A patent/ZA73216B/xx unknown
- 1973-01-11 CS CS73217A patent/CS199546B2/cs unknown
- 1973-01-12 SU SU1876131A patent/SU495851A3/ru active
- 1973-01-12 NL NLAANVRAGE7300483,A patent/NL184445C/xx not_active IP Right Cessation
- 1973-01-15 RO RO7373495A patent/RO78240A/ro unknown
-
1976
- 1976-03-18 JP JP51030785A patent/JPS51118958A/ja active Granted
-
1977
- 1977-03-09 JP JP2658977A patent/JPS52100971A/ja active Granted
- 1977-03-09 JP JP2659077A patent/JPS52132670A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2957106A (en) * | 1954-08-12 | 1960-10-18 | Rca Corp | Plural beam gun |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4891863U (hu) * | 1972-02-05 | 1973-11-05 | ||
JPS5342053Y2 (hu) * | 1972-02-05 | 1978-10-11 | ||
JPS4982661U (hu) * | 1972-11-06 | 1974-07-17 | ||
JPS5721255Y2 (hu) * | 1972-11-06 | 1982-05-08 | ||
JPS5017170A (hu) * | 1973-06-12 | 1975-02-22 | ||
JPS552700B2 (hu) * | 1973-06-12 | 1980-01-22 | ||
JPS5038462A (hu) * | 1973-08-08 | 1975-04-09 | ||
JPS50103260A (hu) * | 1974-01-11 | 1975-08-15 | ||
JPS50141220A (hu) * | 1974-04-30 | 1975-11-13 | ||
JPS50159959A (hu) * | 1974-06-13 | 1975-12-24 | ||
JPS5520632B2 (hu) * | 1974-06-13 | 1980-06-04 | ||
JPS51118957A (en) * | 1975-03-03 | 1976-10-19 | Rca Corp | Crt |
JPS607345B2 (ja) * | 1975-03-03 | 1985-02-23 | アール シーエー コーポレーシヨン | 陰極線管 |
JPS5212564A (en) * | 1975-07-18 | 1977-01-31 | Matsushita Electronics Corp | Cathode ray tube |
JPS5259526A (en) * | 1975-11-12 | 1977-05-17 | Hitachi Ltd | Color picture tube with deflection magnetic field control elements |
JPS5845135B2 (ja) * | 1975-11-12 | 1983-10-07 | 株式会社日立製作所 | ヘンコウジカイセイギヨソシツキカラ−ジユゾウカン |
JPS5297055U (hu) * | 1976-01-19 | 1977-07-20 | ||
JPS532066A (en) * | 1976-06-28 | 1978-01-10 | Matsushita Electronics Corp | Inline type double beam electronic gun |
JPS587016B2 (ja) * | 1976-06-28 | 1983-02-08 | 松下電子工業株式会社 | インライン形複ビ−ム電子銃 |
JPS5342672A (en) * | 1976-09-30 | 1978-04-18 | Mitsubishi Electric Corp | Color picture receiving tube device |
JPS619701B2 (hu) * | 1976-09-30 | 1986-03-25 | Mitsubishi Electric Corp | |
JPS568980B2 (hu) * | 1977-03-28 | 1981-02-26 | ||
JPS53118972A (en) * | 1977-03-28 | 1978-10-17 | Toshiba Corp | Electron gun constituent body |
JPS57519Y2 (hu) * | 1977-05-09 | 1982-01-06 | ||
JPS53153856U (hu) * | 1977-05-09 | 1978-12-04 | ||
JPS5625444U (hu) * | 1980-07-15 | 1981-03-09 |
Also Published As
Publication number | Publication date |
---|---|
JPS52100971A (en) | 1977-08-24 |
PL83625B1 (hu) | 1975-12-31 |
NL7300483A (hu) | 1973-07-17 |
DE2223369B2 (de) | 1977-12-01 |
KR780000391B1 (en) | 1978-10-04 |
JPS52132670A (en) | 1977-11-07 |
DD103093A5 (hu) | 1974-01-05 |
CS199546B2 (en) | 1980-07-31 |
JPS557659B2 (hu) | 1980-02-27 |
JPS557658B2 (hu) | 1980-02-27 |
AR196104A1 (es) | 1973-11-30 |
GB1381018A (en) | 1975-01-22 |
BE793992A (fr) | 1973-05-02 |
DE2223369C3 (de) | 1981-04-16 |
JPS5232714B2 (hu) | 1977-08-23 |
FR2167898B1 (hu) | 1976-05-14 |
RO78240A (ro) | 1982-04-12 |
ZA73216B (en) | 1973-12-19 |
IT973241B (it) | 1974-06-10 |
JPS524905B2 (hu) | 1977-02-08 |
NL184445C (nl) | 1989-07-17 |
NL184445B (nl) | 1989-02-16 |
JPS51118958A (en) | 1976-10-19 |
BR7300153D0 (pt) | 1973-09-27 |
SU495851A3 (ru) | 1975-12-15 |
CA969597A (en) | 1975-06-17 |
DE2223369A1 (de) | 1973-07-19 |
ES410383A1 (es) | 1975-12-01 |
US3772554A (en) | 1973-11-13 |
FR2167898A1 (hu) | 1973-08-24 |